1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * [origin: Linux kernel include/asm-arm/arch-at91/at91sam9261_matrix.h] 4 * 5 * Copyright (C) 2007 Atmel Corporation. 6 * 7 * Memory Controllers (MATRIX, EBI) - System peripherals registers. 8 * Based on AT91SAM9261 datasheet revision D. 9 */ 10 11 #ifndef AT91SAM9261_MATRIX_H 12 #define AT91SAM9261_MATRIX_H 13 14 #ifndef __ASSEMBLY__ 15 16 struct at91_matrix { 17 u32 mcfg; /* Master Configuration Registers */ 18 u32 scfg[5]; /* Slave Configuration Registers */ 19 u32 filler[6]; 20 u32 ebicsa; /* EBI Chip Select Assignment Register */ 21 }; 22 #endif /* __ASSEMBLY__ */ 23 24 #define AT91_MATRIX_ULBT_INFINITE (0 << 0) 25 #define AT91_MATRIX_ULBT_SINGLE (1 << 0) 26 #define AT91_MATRIX_ULBT_FOUR (2 << 0) 27 #define AT91_MATRIX_ULBT_EIGHT (3 << 0) 28 #define AT91_MATRIX_ULBT_SIXTEEN (4 << 0) 29 30 #define AT91_MATRIX_DEFMSTR_TYPE_NONE (0 << 16) 31 #define AT91_MATRIX_DEFMSTR_TYPE_LAST (1 << 16) 32 #define AT91_MATRIX_DEFMSTR_TYPE_FIXED (2 << 16) 33 #define AT91_MATRIX_FIXED_DEFMSTR_SHIFT 18 34 #define AT91_MATRIX_ARBT_ROUND_ROBIN (0 << 24) 35 #define AT91_MATRIX_ARBT_FIXED_PRIORITY (1 << 24) 36 37 #define AT91_MATRIX_M0PR_SHIFT 0 38 #define AT91_MATRIX_M1PR_SHIFT 4 39 #define AT91_MATRIX_M2PR_SHIFT 8 40 #define AT91_MATRIX_M3PR_SHIFT 12 41 #define AT91_MATRIX_M4PR_SHIFT 16 42 #define AT91_MATRIX_M5PR_SHIFT 20 43 44 #define AT91_MATRIX_RCB0 (1 << 0) 45 #define AT91_MATRIX_RCB1 (1 << 1) 46 47 #define AT91_MATRIX_CS1A_SDRAMC (1 << 1) 48 #define AT91_MATRIX_CS3A_SMC_SMARTMEDIA (1 << 3) 49 #define AT91_MATRIX_CS4A_SMC_CF1 (1 << 4) 50 #define AT91_MATRIX_CS5A_SMC_CF2 (1 << 5) 51 #define AT91_MATRIX_DBPUC (1 << 8) 52 #define AT91_MATRIX_VDDIOMSEL_1_8V (0 << 16) 53 #define AT91_MATRIX_VDDIOMSEL_3_3V (1 << 16) 54 55 #endif 56